所屬欄目:醫(yī)學(xué)統(tǒng)計(jì)學(xué)
例1-1某年某市120名12歲健康男孩身高資料如表1-1,試編制頻數(shù)分布表。表1-1某年某市120名12歲健康男孩身高(cm)測(cè)量資料142.3156.6142.7145.7138.2141.6142.5130.5132.1135.5134.5145.2151.1141.2143.5134.7150.8134.7129.4148.8141.8144.0141.5139.2147.3144.5132.7154.2138.5142 ......(本文共 2089 字 ) [閱讀本文] >>